html {
    font-family: "Microsoft YaHei", serif;
    font-size: 14px;
  }
  body,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  hr,
  p,
  blockquote,
  dl,
  dt,
  dd,
  ul,
  ol,
  li,
  pre,
  fieldset,
  button,
  input,
  textarea,
  th,
  td {
    margin: 0;
    padding: 0;
  }
  ul,
  ol {
    list-style: none;
  }
  /* 重置文本格式元素 */
  a {
    text-decoration: none;
  }
  /* 重置表格元素 */
  table {
    border-collapse: collapse;
    border-spacing: 0;
  }
  /*图片块化与去掉ie边框*/
  img {
    border: none;
  }